Home / 70,285.16-96,995.85-38,454.07

Finding the Fourth Proportional to 70,285.16, 96,995.85 and 38,454.07

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Solution

The fourth proportional to 70,285.16, 96,995.85 and 38,454.07 is: 53,067.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,285.16 : 96,995.85 = 38,454.07 : x
  2. Step 2: Convert to fraction form
    70,285.16/96,995.85 = 38,454.07/x
  3. Step 3: Cross multiply
    70,285.16x = 96,995.85 × 38,454.07
  4. Step 4: Simplify right side
    70,285.16x = 3,729,885,205.61
  5. Step 5: Solve for x
    x = 3,729,885,205.61/70,285.16
  6. Step 6: Final answer
    x = 53,067.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.